package dev.mcdd.json;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.datatype.jdk8.Jdk8Module;
import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateSerializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalTimeSerializer;
import com.fasterxml.jackson.module.paramnames.ParameterNamesModule;

import java.text.SimpleDateFormat;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.format.DateTimeFormatter;
import java.util.Objects;

public abstract class JsonHelper {

    public static final ObjectMapper MAPPER = new ObjectMapper();
    public static final String DATE_FORMATTER_PATTERN = "YYYY-MM-dd HH:mm:ss";
    public static final String LOCAL_TIME_FORMATTER_PATTERN = "HH:mm:ss";
    public static final String LOCAL_DATE_FORMATTER_PATTERN = "YYYY-MM-dd";
    public static final String LOCAL_DATE_TIME_FORMATTER_PATTERN = "YYYY-MM-dd HH:mm:ss";

    static {
        JavaTimeModule javaTimeModule = new JavaTimeModule();
        javaTimeModule.addSerializer(LocalTime.class, new
            LocalTimeSerializer(DateTimeFormatter.ofPattern(LOCAL_TIME_FORMATTER_PATTERN)));
        javaTimeModule.addSerializer(LocalDate.class, new
            LocalDateSerializer(DateTimeFormatter.ofPattern(LOCAL_DATE_FORMATTER_PATTERN)));
        javaTimeModule.addSerializer(LocalDateTime.class, new
            LocalDateTimeSerializer(DateTimeFormatter.ofPattern(LOCAL_DATE_TIME_FORMATTER_PATTERN)));
        MAPPER.registerModule(new ParameterNamesModule())
            .registerModule(new Jdk8Module())
            .registerModule(javaTimeModule);
        MAPPER.setDateFormat(new SimpleDateFormat(DATE_FORMATTER_PATTERN));
    }

    public static String toJSON(Object object) {
        Objects.requireNonNull(object);
        try {
            return MAPPER.writeValueAsString(object);
        } catch (JsonProcessingException e) {
            throw new RuntimeException(e);
        }
    }

    public static <T> T toObject(String JSON, Class<T> clazz) {
        Objects.requireNonNull(JSON);
        Objects.requireNonNull(clazz);
        try {
            return MAPPER.readValue(JSON, clazz);
        } catch (JsonProcessingException e) {
            throw new RuntimeException(e);
        }
    }


}
